﻿//Copyright (C) 2011 by Markus Minichmayr

//Permission is hereby granted, free of charge, to any person obtaining a copy
//of this software and associated documentation files (the "Software"), to deal
//in the Software without restriction, including without limitation the rights
//to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//copies of the Software, and to permit persons to whom the Software is
//furnished to do so, subject to the following conditions:

//The above copyright notice and this permission notice shall be included in
//all copies or substantial portions of the Software.

//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
//THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Minichmayr.Async
{
    class AsyncGrouping<TKey, TElement> : IAsyncGrouping<TKey, TElement>
    {
        private readonly TKey key;
        private readonly IAsyncEnumerable<TElement> innerEnumerable;


        public AsyncGrouping(TKey key, IAsyncEnumerable<TElement> innerEnumerable)
        {
            this.key = key;
            this.innerEnumerable = innerEnumerable;
        }

        #region IAsyncGrouping<TKey,TElement> Members

        public TKey Key
        {
            get { return this.key; }
        }

        #endregion

        #region IAsyncEnumerable<TElement> Members

        public IAsyncEnumerator<TElement> GetEnumerator()
        {
            return this.innerEnumerable.GetEnumerator();
        }

        #endregion
    }
}
